Home / 5,381.08-8,072.56-2,459.68

Finding the Fourth Proportional to 5,381.08, 8,072.56 and 2,459.68

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Solution

The fourth proportional to 5,381.08, 8,072.56 and 2,459.68 is: 3,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.08 : 8,072.56 = 2,459.68 : x
  2. Step 2: Convert to fraction form
    5,381.08/8,072.56 = 2,459.68/x
  3. Step 3: Cross multiply
    5,381.08x = 8,072.56 × 2,459.68
  4. Step 4: Simplify right side
    5,381.08x = 19,855,914.38
  5. Step 5: Solve for x
    x = 19,855,914.38/5,381.08
  6. Step 6: Final answer
    x = 3,689.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.